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National Stock Number: 4730-01-040-5899
Federal Supply Class: 4730
National Item Identification Number: 010405899
Description: ELBOW,FLANGE TO BOSS
Detail: A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. IT HAS A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION, OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS EXTERNAL AND/OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE AND/OR HEEL INLET(S).
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Manufacturer Information:
68A581258-1001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
BOLT HOLE NOMINAL DIAMETER | 0.281 INCHES 1ST END | BOLT HOLE QUANTITY | 4 1ST END | CONNECTION TYPE | FLANGE 1ST END | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | FLANGE FACE DESIGN | PLAIN 1ST END | FLOW ANGLE | 13.5 DEGREES | LEG LENGTH | 1.390 INCHES NOMINAL 2ND END | LEG LENGTH | 1.470 INCHES NOMINAL 1ST END | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE FLANGE | MATERIAL | ALUMINUM ALLOY 6061 FLANGE | NOMINAL THICKNESS | 0.156 INCHES 1ST END | SURFACE TREATMENT | ANODIZE FLANGE |
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